<template>
  <view>
    <!-- 搜索组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    
  <!-- 轮播图区域 -->
  <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
    <swiper-item v-for="(item, i) in swiperList" :key="i">
      <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
        <image :src="item.image_src"></image>
      </navigator>
    </swiper-item>
  </swiper>
  
  <!-- 分类导航区域 -->
  <view class="nav-list">
    <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
      <image :src="item.image_src" class="nav-img"></image>
    </view>
  </view>
  
  <!-- 楼层区域 -->
  <view class="floor-list">
    <!-- 每个楼层的item项 -->
    <view class="floor-item" v-for="(item, i) in floorList" :key="i">
      <!-- 楼层标题 -->
      <image :src="item.floor_title.image_src" class="floor-title"></image>
      <!-- 楼层图片 -->
      <view class="floor-img-box">
        <!-- 左侧大图片盒子 -->
        <navigator class="left-img-box" :url="item.product_list[0].url">
          <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
        </navigator>
        <!-- 右侧4小图片盒子 -->
        <view class="right-img-box">
          <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
            <image :src="item2.image_src" :style="{width: item2.image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
        </view>
      </view>
    </view>
  </view>
  </view> 
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  
  export default {
    mixins: [badgeMix],
    data() {
      return {
        // 这是轮播图的数据列表
        swiperList: [],
        //分类导航的数据列表
        navList: [],
        //楼层的数据
        floorList: []
      };
    },
    onLoad() {
      // 调用方法,获取轮播图数据
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods: {
      async getSwiperList() {
        const {data: res} = await uni.$http.get('/api/public/v1/home/swiperdata')
        // 请求失败
        if (res.meta.status !== 200) return uni.$showMsg()
        this.swiperList = res.message
      },
      async getNavList() {
        const {data: res} = await uni.$http.get('/api/public/v1/home/catitems')
        // 请求失败
        if (res.meta.status !== 200) return uni.$showMsg()
        this.navList = res.message
      },
      navClickHandler(item) {
        if(item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      //获取首页楼层数据的方法
      async getFloorList() {
        const {data: res} = await uni.$http.get('/api/public/v1/home/floordata')
        // 请求失败
        if (res.meta.status !== 200) return uni.$showMsg()
        
        //对数据进行处理
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        this.floorList = res.message
      },
      gotoSearch() {
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">
swiper {
 height: 330rpx;

 .swiper-item,
 image {
   width: 100%;
   height: 100%;
 }
}

.nav-list {
  display: flex;
  justify-content: space-around;
  margin: 15px 0;
  
  .nav-img {
    width: 128rpx;
    height: 140rpx;
  }
}

.floor-title{
  height: 60rpx;
  width: 100%;
  display: flex;
}

.right-img-box{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.floor-img-box{
  display: flex;
  padding-left: 10rpx;
}

.search-box {
  position: sticky;
  top: 0;
  z-index: 999;
}
</style>
